like I wasn't dreading tomorrow enough / in the veil / doy

what's the meaning of the underline phrases ? thanks !
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Rachel: Has anybody seen my engagement ring?

Phoebe: Yeah, it's beautiful.

Rachel: Oh God, oh God, oh God oh God oh God oh God.... (Starts to look under the couch cushions.)

Phoebe: No, look, don't touch that!

Rachel: Oh, like I wasn't dreading tomorrow enough, having to give it back to him... 'Hi Barry! Remember me? I'm the girl in the veil who stomped on your heart in front of your entire family!' Oh God and now I'm gonna have to return the ring, without the ring, which makes it so much harder...

Monica: Easy Rach, we'll find it. (To all) Won't we!

Chandler and Joey: Oh! Yeah!

Joey: Alright, when'd'ya have it on last?

Phoebe: Doy! Probably right before she lost it!

Chandler: You don't get a lot of 'doy' these days...

Quote:

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Oh, like I wasn't dreading tomorrow enough, having to give it back to him

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Rachel is not looking forward to "tomorrow", because she is planning to return Barry's engagement ring, which will be hard to do without the ring.

Quote:

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I'm the girl in the veil who stomped on your heart in front of your entire family!'

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Apparently, she left him standing at the altar. (Talk about last minute!)

"Doy!" is an exclamation, and as such it doesn't really mean anything all by itself. (It is, I think, quite similar to duh.) Phoebe seems to think that Joey should know the answer to the question.

Does that help?

:)